groundwater surface

См. также в других словарях:

• groundwater — [groundwôt΄ər] n. water found underground in porous rock strata and soils, as in a spring: also written ground water * * * ground water also ground·wa·ter (groundʹwô tər, wŏt ər) n. Water beneath the earth s surface, often between saturated soil… …   Universalium

• Groundwater-related subsidence — is the subsidence (or the sinking) of land resulting from groundwater extraction. One estimate has 80% of serious land subsidence problems associated with the excessive extraction of groundwater [http://water.usgs.gov/ogw/pubs/fs00165/] , making… …   Wikipedia

• Groundwater model — Groundwater models are computer models of groundwater flow systems, and are used by hydrogeologists. Groundwater models are used to simulate and predict aquifer conditions.CharacteristicsAn unambiguous definition of groundwater model is difficult …   Wikipedia

• Surface-water hydrology — is a field that encompasses all surface waters of the globe (overland flows, rivers, lakes, wetlands, estuaries, oceans, etc). This a subset of the hydrologic cycle that does not include atmospheric, and ground waters. Surface water hydrology… …   Wikipedia

• Groundwater — Shipot, a common source of drinking water in a Ukrainian village. Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an… …   Wikipedia

• Groundwater flow equation — Used in hydrogeology, the groundwater flow equation is the mathematical relationship which is used to describe the flow of groundwater through an aquifer. The transient flow of groundwater is described by a form of the diffusion equation, similar …   Wikipedia

• Groundwater recharge — Water balance Groundwater recharge or deep drainage or deep percolation is a hydrologic process where water moves downward from surface water to groundwater. This process usually occurs in the vadose zone below plant roots and is often expressed… …   Wikipedia

• Surface water — For water masses on the surface of the world ocean, see Surface water (ocean). : For water masses on the surface of land masses, see Surface water (land). Water collecting on the ground or in a stream, river, lake, wetland, or ocean is called… …   Wikipedia

• Surface runoff — Runoff flowing into a stormwater drain Surface runoff is the water flow that occurs when soil is infiltrated to full capacity and excess water from rain, meltwater, or other sources flows over the land. This is a major component of the water… …   Wikipedia

• Groundwater energy balance — The groundwater energy balance is the energy balance of a groundwater body in terms of incoming hydraulic energy associated with groundwater inflow into the body, energy associated with the outflow, energy conversion into heat due to friction of… …   Wikipedia

• groundwater level — noun underground surface below which the ground is wholly saturated with water spring rains had raised the water table • Syn: ↑water table, ↑water level • Hypernyms: ↑geological formation, ↑formation * * * noun …   Useful english dictionary